package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo3 {
    public static void main(String[] args)  {
        try (
                Connection connection = DBUtil.getConnection();
        ) {

            System.out.println("与数据库链接!");
            //3创建语句执行对象
            Statement statement = connection.createStatement();
            String sql = "UPDATE userinfo " +
                    "        SET password='88888888' " +
                    "        WHERE username='王克晶'";
            int num = statement.executeUpdate(sql);
            if (num > 0) {
                System.out.println("修改成功");
            } else {
                System.out.println("修改失败");
            }
        }catch (SQLException e){
            e.printStackTrace();
        }


    }
}
